Monique Fournier deposited $12,500 into a savings account paying 6.5% annual interest compounded monthly. What amount will she have in her account after 3 years? How much compound interest will she have earned?

6 x - 1 1 y = - 1 3

The distance a car travels is directly proportional to the quantity of gas consumed. To find the constant of proportionality, set up a proportion using the given values. The units for the constant of proportionality will be miles per gallon.

In this problem, we are given that the distance a car travels, in miles, is directly proportional to the quantity of gas consumed, in gallons. We are also given that a Lexus travels x miles on y gallons of gas. To find the constant of proportionality, we can set up a proportion using the given values:

x/y = miles/gallons

Using this proportion, we can solve for x and y. The constant of proportionality, which represents the distance a car travels per gallon of gas, will be the value of x when y = 1. The units for the constant of proportionality will be miles per gallon.

Answer:

(these are the answer choices ppl)

The exponent is negative.

The exponent is positive.

The coefficient is 0.3.

The exponent represents the number of places the decimal moves.

The decimal moves to the right.

(its a, d, e)

0.00000000003 in scientific notation is 3.0 x 10^-11.

The number 0.00000000003 can be converted to scientific notation by moving the decimal point to the right until there is only one non-zero digit to the left of the decimal point. In this case, we would move the decimal point 11 places to the right to get 3.0 x 10-11. The exponent, -11, indicates how many places the decimal point was moved.

So, the correct statement would be:
0.00000000003 in scientific notation is 3.0 x 10-11.

Probability randomly select at least 1 heart is 5 / 14

Given question is incomplete, complete question is as follows;

Number of hearts = 5

Number of clover = 3

Number of stars = 4

Number of moons = 2

Find:

Probability randomly select at least 1 heart

Computation:

Total item = 5 + 3 + 4 + 2

Total item = 14

Probability randomly select at least 1 heart = 5 / 14

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It would cost $756 if orders eight bags of gravel instead.

252x 3= 756

The volume of the greenhouse is approximately 101.952 cubic meters.

To calculate the volume of the greenhouse in cubic meters, we first need to convert the measurements from feet to meters.

1 foot is approximately equal to 0.3048 meters.

Given measurements:

Length = 30 feet

Width = 15 feet

Height = 8 feet

Converting to meters:

Length = 30 feet * 0.3048 meters/foot ≈ 9.144 meters

Width = 15 feet * 0.3048 meters/foot ≈ 4.572 meters

Height = 8 feet * 0.3048 meters/foot ≈ 2.4384 meters

Now, we can calculate the volume in cubic meters:

Volume = Length * Width * Height

Volume ≈ 9.144 meters * 4.572 meters * 2.4384 meters ≈ 101.952 cubic meters

The volume of the greenhouse is approximately 101.952 cubic meters.

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Final answer:

Using the compound interest formula A(t) = P(1 + r/n)^(nt) with the values P = $400, r = 3%, n = 1, and t = 16 years, the investment would grow to $722.44.

Explanation:

To calculate how much $400 would be worth after 16 years when invested at a 3% interest rate compounded annually, we can use the compound interest formula A(t) = P(1 + r/n)^(nt). In this formula, P represents the principal amount ($400), r is the annual interest rate (3% or 0.03), n is the number of times interest is compounded per year (1 for annually), t is the number of years the money is invested (16 years), and A(t) is the amount of money accumulated after t years, including interest.

To solve for A(t), we substitute the values into the formula:

A(t) = 400(1 + 0.03/1)^(1×16)

A(t) = 400(1 + 0.03)^16
A(t) = 400(1.03)^16

After calculating the power term:

A(t) = 400(1.80611123467)

Finally, we multiply the principal amount by the factor:

A(t) = $722.44

The $400 investment at 3% interest compounded annually would be worth $722.44 after 16 years.

Simple interest is useful for planning parts of your financial future because it helps you calculate how much interest you will earn or owe on a loan or investment.

Simple interest is useful for planning parts of your financial future because it helps you calculate how much interest you will earn or owe on a loan or investment. It is a straightforward calculation that only takes into account the principal amount and the interest rate. By using simple interest, you can make informed decisions about saving, borrowing, or investing money.

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Final answer:

Pierre earns $360 in interest on his $9,000 certificate of deposit after the first six months, with a balance of $9,360.

Explanation:

Pierre deposits $9,000 in a certificate of deposit (CD) that pays an 8% interest rate, compounded semiannually. To calculate the interest earned in the first six months and the balance after six months, we follow these steps:

Determine the semiannual interest rate by dividing the annual rate by two. Since the annual rate is 8%, the semiannual rate is 4% or 0.04 in decimal form.

Calculate the interest for the first semiannual period (first six months) by multiplying the principal amount by the semiannual interest rate: $9,000 * 0.04 = $360.

The interest earned in the first six months is $360.

To find the new balance after six months, add the interest earned to the initial deposit: $9,000 + $360 = $9,360.

The balance of Pierre's certificate of deposit after six months is $9,360.

Using the compound interest formula, we calculate that after 3 months, the new principal amount that Warren Roberge will owe on his student loan is $22,000(1 + 0.0694/12)^(12*0.25).

To find the principal amount that Warren Roberge will owe when he begins repaying his student loan, we need to consider the interest compounding monthly over the 3-month deferment period. The formula for compound interest is: A = P(1 + r/n)^(nt), where A is the amount of money accumulated after n years, including interest, P is the principal amount (the initial amount of money), r is the annual interest rate (in decimal form), n is the number of times that interest is compounded per year, and t is the time in years.

In this case, P = $22,000, r = 6.94/100 = 0.0694, n = 12 (since the interest is compounded monthly), and t = 3/12 = 0.25 (since the deferment period is 3 months, or 0.25 years).

Substituting these values into the formula, we find that A = $22,000(1 + 0.0694/12)^(12*0.25).

Therefore, after 3 months, the principal amount that Warren will owe on his student loan will be A.

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When Warren Roberge begins repaying his student loan after a 3-month deferment, the principal amount will be $22,038.07.

To calculate the principal amount when he starts repaying, we need to account for the accrued interest during the deferment period.

Calculate the monthly interest rate,Calculate the interest accumulated over the 3-month deferment period,Add the accrued interest to the principal:
Interest rate,
6.94% / 12 (months)
= 0.579%

$22,000 * 0.579% * 3 months
=127.38*3
= $38.07

Principal amount,
$22,000 + $38.07
= $22,038.07

Answer:

5:2:3....added = 10

Step-by-step explanation:

5/10(25) = 125/10 = 12.5 liters of pear juice

2/10(25) = 50/10 = 5 liters pineapple juice

3/10(25) = 75/10 = 7.5 liters plum juice

Each friend will get 1/2 of a pie when it is divided into equal.

Division is one of the operation in mathematics where number is divided  into equal parts as that of a definite number.

Given that, 6 friends share 3 small pies equally.

Total number of pies = 3

Total number of friends = 6

Since, the number of pie is less than number of friends, no one will get 1 pie each.

Divide 3 pies in to 6 equal parts.

Each friend will get 3/6 pies.

After simplifying, each friend will get 1/2 pie.

That is, each will get half of a pie.

Hence each of the friend will get one half of a pie.

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Your question is incomplete. Probably, the correct question is as follows.

6 friends share 3 small pies equally. What fraction of a pie does each friend get?

The measure of the base angles is 39° respectively.

An Isosceles triangle is a triangle that has two equal sides.

Note: The base angle of an isosceles triangle is equal.

From the question,

The sum of the angle in a triangle is 180°.

⇒ a+b+c = 180°............... Equation 1

Substitute these values into the equation.

Solve for x.

Hence, the measure of the base angles is 39° respectively.

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To determine the time it takes for a small and large pump to empty a swimming pool together, their rates are added to find a combined rate, and the inverse of this combined rate gives the time required. Calculations show the two pumps can empty the pool in 24 hours.

Calculating Time to Empty a Pool with Two Pumps

When the small pump operates alone, it can empty a swimming pool in 60 hours, while the large pump can do this in 40 hours. To find how long they will take to empty the pool when working together, we need to calculate their combined rate of emptying the pool.

The rate of the small pump is 1/60 pools per hour, and the rate of the large pump is 1/40 pools per hour. To find their combined rate, we simply add these rates together:

Converting both fractions to have a common denominator, we get:

The inverse of the combined rate gives us the time to empty one pool:

Therefore, the small and large pumps working together will empty the pool in 24 hours.

The remaining piece of the board was [tex]6\frac{3}{4}[/tex]  feet.

A fraction represented with its quotient and remainder is a mixed fraction.

Given that, a carpenter cut a board 3 3/4 feet long to make a shelf, before he cut the board, it was 10 1/2 feet long.

[tex]3\frac{3}{4} = \frac{15}{4} \\10\frac{1}{2} = \frac{21}{2}[/tex]

[tex]\frac{21}{2} - \frac{15}{4} \\= \frac{27}{4} \\= 6\frac{3}{4}[/tex]

Hence, The remaining piece of the board was [tex]6\frac{3}{4}[/tex]  feet.

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Answer:

option D

Step-by-step explanation:

Given : the algebraic expression x - 21.5

a. 21.5 decreased by x

the expression becomes 21.5 - x

b. x more than 21.5

more than means we add , so expression becomes 21.5 +x

c. 21.5 minus x

For minus we use subtraction symbol,

so the expression becomes 21.5 -x

d. x less 21.5

x less 21.5 , we subtract 21.5

so the expression becomes x - 21.5 . that is the given expression

The correct phrase that describes the algebraic expression [tex]\( x - 21.5 \)[/tex] is b. x more than 21.5.

To understand why option b is correct, let's break down the expression and the meanings of each option:

The expression [tex]\( x - 21.5 \)[/tex] means that you start with an unknown quantity x and subtract 21.5 from it. This results in a new quantity that is the original x minus 21.5.

Now, let's consider each option:

a. "21.5 decreased by ( x )" suggests that ( x ) is being subtracted from 21.5, which would be written as ( 21.5 - x ). This is not the same as the given expression.

b. ( x ) more than 21.5 correctly implies that you have the quantity ( x ) and you are adding something to it to get a total that is more than 21.5 by that amount. Since we are subtracting a positive number from ( x ), the result is indeed ( x ) minus some amount, which means ( x ) is more than  (x - 21.5 ).

c. "21.5 minus ( x )" is equivalent to option a and suggests that ( x ) is being subtracted from 21.5, which is not the same as the given expression.

 d. "( x ) less 21.5" suggests that 21.5 is being subtracted from ( x ), but the wording is incorrect. The correct phrase would be "( x ) less than 21.5,"" but even then, it would imply that ( x ) is the smaller quantity, which is not what the expression ( x - 21.5 ) indicates.

Therefore, the correct interpretation of the expression ( x - 21.5 ) is that it represents ( x ) more than 21.5, which aligns with option b.